20003432307 has 8 divisors (see below), whose sum is σ = 26881253376. Its totient is φ = 13230616392.

The previous prime is 20003432299. The next prime is 20003432369. The reversal of 20003432307 is 70323430002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20003432307 - 2³ = 20003432299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003431307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26250843 + ... + 26251604.

It is an arithmetic number, because the mean of its divisors is an integer number (3360156672).

Almost surely, 2^20003432307 is an apocalyptic number.

20003432307 is a deficient number, since it is larger than the sum of its proper divisors (6877821069).

20003432307 is a wasteful number, since it uses less digits than its factorization.

20003432307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52502577.

The product of its (nonzero) digits is 3024, while the sum is 24.

Adding to 20003432307 its reverse (70323430002), we get a palindrome (90326862309).

The spelling of 20003432307 in words is "twenty billion, three million, four hundred thirty-two thousand, three hundred seven".